Array#isArray for older browsers
Get the command from a shebang
JSON parse & stringify that supports binary via bops & base64
CLI arguments parser. Native port of python's argparse.
Run a function exactly one time
ECMAScript AST recursive visitor
Resolve the path of a module like `require.resolve()` but from a given path
deterministic `JSON.stringify()` - a faster version of substack's json-stable-strigify without jsonify
Light ECMAScript (JavaScript) Value Notation - human written, concise, typed, flexible
deterministic JSON.stringify() with custom sorting to get deterministic hashes from stringified results, with no public domain dependencies
Buffers events from a stream until you are ready to handle them.
Callback wrapping utility
Returns true if a string has an extglob.
The Node.js `util.deprecate()` function with browser support
type-check allows you to check the types of JavaScript values at runtime with a Haskell like type syntax.
Safer Node.js Buffer API
A small polyfill for Object.setprototypeof
Fast (and loose) selective `process.env` replacer using js-tokens instead of an AST
Allows users to use generators in order to write common functions that can be both sync or async.
Pass two numbers, get a regex-compatible source string for matching ranges. Validated against more than 2.78 million test assertions.
Normalize slashes in a file path to be posix/unix-like forward slashes. Also condenses repeat slashes to a single slash and removes and trailing slashes, unless disabled.
Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.
A stream that emits multiple other streams one after another.
Merge multiple streams into one stream in sequence or parallel.
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